XML 77 R65.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Significant Accounting Judgments, Estimates and Assumptions - Additional Information (Detail) | Dec. 31, 2017
--- | ---
Disclosure of voluntary change in accounting policy [abstract] |
Salvage value assets rate | 15.00%

X
- Definition Salvage value assets rate. + References No definition available. + Details
Name: | cpa_SalvageValueAssetsRate
Namespace Prefix: | cpa_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration